Fort Duquesne (originally called Fort Du Quesne) was a fort established by the French in 1754, at the junction of the Allegheny and Monongahela rivers in what is now downtown Pittsburgh in the Commonwealth of Pennsylvania. It was destroyed and replaced by Fort Pitt in 1758; over two centuries later, the site formerly occupied by Fort Duquesne is now Point State Park.
Lester, C. Edwards Lester’s History of the United States Vol. I (New York, NY: P. F. Collier, 1883)
Courtesy the private collection of Roy Winkelman